"a deep very well"; "a deep dive"; "deep water"; "a deep casserole"; "a deep gash"; "deep massage"; "deep tension receptors in muscles"; "deep shelves"; "a deep closet"; "surrounded by a deep lawn"; "hit the ball to deep center field"; "in deep space"; "midsection-deep"a : an enormous or immeasurable extent : abyss b(1) : the extent of surrounding